5 ideas
7791 | The simplest of the logics based on possible worlds is Lewis's S5 [Lewis,CI, by Girle] |
11002 | Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read] |
22474 | Unlike aesthetic evaluation, moral evaluation needs a concept of responsibility [Foot] |
7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |
22472 | The practice of justice may well need a recognition of human equality [Foot] |